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Cisco MGX 8230 Edge Concentrator Installation and Configuration
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
Chapter2 Module and Service Descriptions
Frame Relay Service Modules
•A single T1/E1 CESM card can provide standby redundancy for all active CESM cards of the same
type in the shelf (1:N red u nd a n cy) , w i th S R M .
•CESM cards are supported by standards-based management tools, including Simple Network
Management Protocol (SNMP), Trivial File Transfer Protocol (TFTP) for configuration and
statistics collection, and a c om m an d-l in e i nt er fac e. C is c o WAN Manager al s o prov id es f u ll
graphical user interface (GUI) support for connection and equipment management.
1:N Redundancy for the CESM T1/E1
Redundancy for the AX-CESM-8T 1 an d A X- C E SM -8 E1 i s availa bl e t hr o ugh th e M G X - SRM - 3 T3 /C .
•1:N redundancy requires that the group contain one redundancy back card.
•The redundancy back card mu st be the spec ial R-RJ4 5 ver sion (A X- R-R J48 -8 T1- LM or
AX-R-SMB-8E1-LM).
For information on installation requir emen ts, re fer to the Service Resource Module, page 2-12. For
configuration requirements, see the “Service Resource Module” section on page 6-49.
For instructions on how to use the CiscoView application to configure redundancy, refer to the
CiscoView user-documentation.
Card Combinations
A card set has an AX-CESM-8T1 or AX-CESM-8E1 front card and one of the following back cards:
•AX-RJ48-8T1-LM
•AX-R-RJ48-8T1-LM (for redundancy support)
•AX-RJ48-8E1-LM
•AX-SMB-8E1-LM
•AX-R-SMB-8E1-LM (for redundancy support)
CESM T1/E1 Illu strations
•Figure2-24 on page 2-48 shows the Front Cards for the Eight-Port CESM (T1 and E1).
•Figure2-25 on page 2-49 shows the RJ-48 and SMB Back Cards for the MGX-CESM-8T1E1.
LED Indicators for the Eight-Port CE SM
The description of the LEDs on the eight-port CESM correspond to the illustration in Figure2-24 on
page 2-48.
Table2-13 LED Indicators for Eight-Port CESM
Type of LED Color Meaning
PORT LEDs Green Green indicates the port is act ive.
Red Red indicates a local alarm on th e po r t. Off in d ica te s
the port has not been activated (upped).
Yellow Yellow indicates a remote alarm on the port. Off
indicates the port has not been ac tivated (upped).
ACT LED (Active) Green On indicates the card set i s in ac tive mo d e.